CN107970748A - The method of compressor apparatus and dry compressed gas - Google Patents

The method of compressor apparatus and dry compressed gas Download PDF

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Publication number
CN107970748A
CN107970748A CN201711004541.1A CN201711004541A CN107970748A CN 107970748 A CN107970748 A CN 107970748A CN 201711004541 A CN201711004541 A CN 201711004541A CN 107970748 A CN107970748 A CN 107970748A
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China
Prior art keywords
compressed gas
heat exchanger
gas
compressor
regeneration
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Granted
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CN201711004541.1A
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CN107970748B (en
Inventor
G·黑勒曼斯
D·韦尔特列斯特
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Atlas Copco Airpower NV
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Atlas Copco Airpower NV
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Priority to CN202110782241.6A priority Critical patent/CN113385002B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16—Filtration; Moisture separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06—Combinations of two or more pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/104—Alumina
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40001—Methods relating to additional, e.g. intermediate, treatment of process gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/265—Drying gases or vapours by refrigeration (condensation)

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Drying Of Gases (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

Compressor apparatus with compressed gas drying device, wherein drying device (6) include the housing (7) with arid region (8) and regeneration zone (14)；The roller (13) with drier is wherein rotatably mounted in housing (7)；Wherein pressure line (5) includes being used for before compressed gas enters the arid region (8) heat exchanger (11) for cooling down the compressed gas, wherein pipe tap (18) is connected to discharge pipe (17), pipe tap is connected to the cooling entrance (19) of heat exchanger (11), and heat exchanger (11) further includes the coolant outlet (20) for the entrance (15) for being connected to regeneration zone (14), the outlet (16) of regeneration zone (14) is connected to the pressure line (5).

Description

The method of compressor apparatus and dry compressed gas
Technical field
The present invention relates to a kind of compressor apparatus with the drying device for compressed gas, the wherein compressor apparatus With compressor element, which has the outlet for compressed gas, and the first end of pressure line is connected to this and goes out Mouthful；Wherein described drying device has a housing, and enclosure interior has an arid region, and arid region has that be used for will be by dry pressure The first entrance of contracting gas, the second end of the pressure line are connected to the first entrance so that coming from the compressor element The compressed gas of full flow velocity (full flow rate) is passed to arid region；Wherein described arid region is further included for quilt The first outlet of dry compressed gas, discharge pipe are connected to the first outlet；Wherein in the housing, regeneration is additionally provided with Region, the regeneration zone are equipped with the second entrance that is used for supplying regeneration gas and for used regeneration gas to be discharged Second outlet；Wherein in the housing of drying device, the roller containing drier is rotatably mounted, wherein the roller is connected to Driving equipment allows drier to continue through the arid region and regeneration zone；And wherein described pressure line includes For the heat exchanger cooled down before compressed gas enters the arid region to compressed gas.
Background technology
The shortcomings that known compressor apparatus equipped with drying device, needs sizable cooling capacity to make to dry The temperature of gas is sufficiently low effective dry to be realized in roller.
Based compressed-gas dryers with the rotatable drier roller containing drier have been known, such as in WO 01/87463rd, it is described in WO 02/38251, WO 2007/079553, US 5,385,603 and US 8,349,054.
The content of the invention
The object of the present invention is to provide a kind of improved and/or alternative compressor apparatus.
For this reason, the present invention relates to a kind of compressor apparatus with the drying device for compressed gas, the wherein compression Machine equipment is equipped with compressor element, which exports with compressed gas, and the first end of pressure line is connected to this Outlet；Wherein described drying device is equipped with housing, and enclosure interior has an arid region, and arid region has that be used for will be by dry The first entrance of compressed gas, the second end of the pressure line are connected to the first entrance so that coming from the compressor element The full flow velocity of compressed gas be passed to arid region；Wherein described arid region is further included for dry compressed gas First outlet, discharge pipe are connected to the first outlet；Wherein in the housing, regeneration zone is additionally provided with, the regeneration zone With for supplying the second entrance of used regeneration gas and the second outlet for regeneration gas to be discharged；Wherein exist In the housing of drying device, the roller containing drier is rotatably mounted, wherein the roller is connected to driving equipment so that doing Drying prescription can be moved continuously by the arid region and regeneration zone；Wherein described pressure line includes being used in compressed gas The heat exchanger cooled down before into the arid region to compressed gas, wherein according to the present invention, the first pipe tap connects The discharge pipe is connected to, the discharge pipe is connected to the cooling entrance of the heat exchanger, and the heat exchanger also wraps Coolant outlet is included, which is connected to the second entrance of regeneration zone by the second regeneration pipeline, and is handed in the heat At the position in the downstream of parallel operation, the second outlet of regeneration zone is connected to the pressure line by return line.
The important advantage of compressor apparatus according to the present invention is that regeneration of the drier in roller use is by a part What the gas dried was realized, the gas dried for this carries out branch in the downstream of arid region, and by using Compression heat heats the portion gas also in a manner of saving energy, and taking this relative humidity of regeneration gas becomes abnormal It is low, while the compression heat that the compressor apparatus is also discharged by being efficiently used in heat exchanger is and with saving energy work Make.Really, it is achieved in that the saving of cooling capacity and in order to realize very good desiccant regeneration, it is not necessary to must be provided with Heating element obtains the sufficiently low relative humidity of regeneration gas.
The invention further relates to a kind of method for being used to the compressed gas for coming from compressor element be dried, wherein using It is equipped with the drying device of housing, there are arid region, the full flow velocity of gas to be dried to be passed through dry section for enclosure interior Transmit in domain；Regeneration zone is wherein additionally provided with the housing, regeneration gas is simultaneously passed through regeneration zone to transmit；It is wherein dry Drying prescription continues to move through the arid region and regeneration zone；Wherein the drying is being entered by dry compressed gas The compressed gas is cooled down in the major part of heat exchanger before region；Wherein according to the present invention, a part is dry Compressed gas be branched in the exit of arid region, then the entrance for being directed into regeneration zone for use as it is therein again The second part (secondary part) of the heat exchanger is conducted through before angry body with by will be by dry gas The compression heat of body and heated.
A kind of particular variation of the method according to this invention, the dry gas being branched off are passed through multiple by directed parallel The second part of heat exchanger, so that each of these heat exchangers includes being connected to coming from a series of at least the two of series connection The major part of the outlet of the corresponding compressor element of one of a compressor element.The present invention is not limited thereto, because can To use all types of heat exchangers, such as there is the heat friendship of the major part for the outlet for being not provided with being connected to compressor element Parallel operation.The combination of heat exchanger is also feasible, and one or more has the major part for the outlet for being connected to compressor element Heat exchanger, while also there are the heat exchanger of no this connection.
Brief description of the drawings
In order to preferably show the feature of the present invention, as example rather than any restrictions property, describe with reference to the accompanying drawings Some preferred embodiments of compressor apparatus according to the present invention and it is used to do compressed gas according to the present invention Dry method, wherein：
Fig. 1 to 3 schematically shows the different embodiments of compressor apparatus according to the present invention；And
Fig. 4 schematically shows the intercooler of Fig. 2 with the ratio of bigger.
Embodiment
Fig. 1 shows the first embodiment of compressor apparatus 1 according to the present invention, it includes two in that case Compressor element 2a and 2b.However, the present invention is not limited thereto, compressor apparatus 1 according to the present invention can also include one A or more than two compressor element 2a and 2b.
Compressor element 2a and 2b are connected to driving equipment not shown in figure (such as in one or more motors, turbine The form of machine, sprocket wheel or the like).
In that case, compressor element 2a and 2b form the first low-pressure level 2a and the second pressure level downstream 2b.Preferably, intercooler 3 is set in the connecting pipeline between relevant compressor element 2a and 2b.
High pressure compressors element 2b is equipped with the outlet 4 for compressed gas, and the first end of pressure line 5 is connected to this and goes out Mouth 4.
Compressor apparatus 1 according to the present invention further includes the drying device 6 for compressed gas, which includes Housing 7, arid region 8 are located in housing 7, and arid region 8 is with for that by the first entrance 9 of dry compressed gas and will use In by the first outlet 10 of dry compressed gas, it is usually at the opposite end of the housing 7.
The pressure line 5 is connected to for will be by the first entrance 9 of dry compressed gas by its second end.
The pressure line 5 includes the pressure for the first entrance 9 for being used for arid region 8 being flowed to from high pressure compressor element 2b The heat exchanger 11 that contracting gas is cooled down.The configuration of the heat exchanger 11 is so that coming from high pressure compressor element 2b's Compressed gas is cooled down before entering arid region 8.
In this case, necessarily, pressure line 5 is additionally provided with aftercooler 12 to but not, it is preferably attached to institute The downstream of heat exchanger 11 is stated, means the flow direction according to compressed gas, mounted in described in the heat exchanger 11 and arid region Between first entrance 9.
In the housing 7 of drying device 6, roller 13 is rotatably mounted in known manner, wherein the roller 13 It is connected to the driving equipment not shown in figure to be used to make the roller 13 rotate in housing 7, such as the driving equipment is motor Form.Relevant roller 7 includes reproducible drier or so-called desiccant material, such as silica gel particle, active oxidation Aluminium either molecular screen material or combinations thereof.Obviously, drier can also be other forms.
In addition to the arid region 8, there is at least regeneration zone 14 also in the housing 7 of drying device 6.
Roller 13 is arranged so that drier can continue through 8 He of arid region with rotation in known manner Regeneration zone 14.
The regeneration zone 14, which is equipped with, to be used to supply the second entrance 15 of regeneration gas and for discharging used regeneration gas The opposite second outlet 16 of body.Used regeneration gas is construed as being subject to from drier after by regeneration zone 14 The gas of the moisture contamination of precipitation.
Discharge pipe 17 is connected to the first outlet 10 of arid region 8 so that dry compressed gas is removed in figure Unshowned user, is, for example, compressed air network, pressure vessel or uses the machine of compressed gas or the form of equipment.
According to the present invention, the first pipe tap 18 is connected to the discharge pipe 17, and the first pipe tap 18 is connected to the heat The cooling entrance 19 of exchanger 11, and the heat exchanger 11 further includes and is connected to regeneration zone 14 by the second regeneration pipeline 21 The second entrance 15 coolant outlet 20.
Relevant cooling entrance 19 and coolant outlet 20 constitute the second part of heat exchanger 11 in that case A part, the major part of heat exchanger 11 are arranged so as to be conducted through the heat exchanger by dry compressed gas.
(it is in that case, by aftercooler 12 in pressure line 5 in the downstream position of the heat exchanger 11 It is connected on the part of first entrance 9 of arid region 8), the second outlet 16 of regeneration zone 14 is connected by return line 22 To the pressure line 5.
In this example, return line 22 also has additional cooler 23 and possible condensation separator, it can be with It is located in identical housing as the cooling segment of cooler 23 or phase can not be located at the cooling segment of cooler 23 In same housing, it is invisible in Fig. 1.
In the example of fig. 1, the connection between return line 22 and pressure line 5 is by pressure line 5 and setting The Venturi tube 24 for having suction opening 25 realizes that the return line 22 is connected to the suction opening 25.
It is very simple according to the operation of the compressor apparatus 1 of Fig. 1, as described below.
Low-pressure level 2a aspirates the gas or admixture of gas of such as air etc to be compressed.Then by middle cold But device 3 discharges a part of compression heat of generation.
After intercooler 3 is left, compressed gas flows to pressure level 2b, and in pressure level, it is further pressed Contracting, then flows to the major part of heat exchanger 11.The relevant heat exchanger of airair heat exchanger is being played at least in part In 11, compression heat is passed to by cooling down the entrance heat exchanger 11 of entrance 19 and leaving heat exchange again by coolant outlet 20 The gas of device.
Obvious heat exchanger 11 is assembled such that the gas for flowing through pressure line 5 not with being guided as coolant gas Pass through the gas mixing of the two level side of heat exchanger 11.In this case, heat exchanger 11 is arranged so as to flow through its two Stock gas stream flows in the opposite direction, but this is not to be strict with according to the present invention.
Then the compressed gas left heat exchanger 11 and flow further through the precooling of pressure line 5 reaches aftercooler In, the gas stream is further cooled down in aftercooler.
Then cold compressed gas flows through Venturi tube 24 and first entrance 9 passes through arid region 8.The gas in arid region 8 The drier that moisture present in body is present in the roller 13 in arid region 8 at this time absorbs.
Then the compressed gas of cold drying leaves arid region 8 by first outlet 10 and flows through discharge pipe 17 and reaches The user of compressed gas.
According to the present invention, the compressed gas of a part of cold drying is branched off and then is directed from discharge pipe 17 to lead to The second part that the first pipe tap 18 reaches heat exchanger 11 is crossed, more specifically reaches the cooling entrance 19 to use there Make cooling medium.
When gas leaves coolant outlet 20, make it by absorbing the compression heat produced in high pressure compressor element 2b Temperature raises.As a result, the relative humidity for the gas branched out for passing through pipe tap 18 will further be dropped in a manner of high energy efficiency It is low.
The extra dry gas for flowing through regeneration pipeline 21 is finally conducted through the arrival regeneration zone 14 of second entrance 15, The gas is used as the regeneration gas that moisture can be separated out from the drier being present at this time in regeneration zone 14 in regeneration zone 14 Body.
After regeneration gas leaves regeneration zone 14 by second outlet 16, it is flowed through in aftercooler downstream 23 and possible condensation separator reach the suction opening 25 of Venturi tube 24, but may not necessarily want must for possible condensation separator It must be incorporated in the housing identical with the housing of cooler 23.
According to the present invention, the presence of Venturi tube is not stringent necessary that being used for it is also possible to use such as hair-dryer will Leave the regeneration gas of regeneration zone 14 and flow to the warm compression of arid region 8 by pressure line 5 from heat exchanger 11 Gas stream is gathered together.
Fig. 2 shows a kind of modification of the compressor apparatus according to the present invention 1 of three-level machine version, it includes series connection peace Compressor element 2a, 2b and 2c of dress.
There are the first intercooler 103 between the first low-pressure level 2a and second pressure level 2b, and in second pressure There are the second intercooler 103 ' between level 2b and the 3rd pressure level 2c.
As the embodiment in Fig. 1, in the downstream of the 3rd pressure level 2c, connect equipped with heat exchanger 11 and series connection The aftercooler 12 connect.
As being shown in further detail in Fig. 4, in this example, intercooler 103 and 103 ' is realized with two parts , i.e. the first recovery section 103a and the second cooling segment 133a.
Each respective recovery section 103a has major part and second part, and wherein major part includes runner, should What runner was used to coming from tight compressor element 2a or 2b positioned at related intercooler 103 or 103 ' upstream will be by dry pressure Contracting air, and second part includes the cooling duct with cooling entrance 19a and coolant outlet 20a.
In this embodiment, the first pipe tap 18 is connected not only to the cooling entrance 19 of heat exchanger 11, and in parallel To the corresponding cooling entrance 19a of intercooler 103 and 103 '.
Similarly, coolant outlet 20a is connected to the second regeneration pipeline 21 together with the coolant outlet 20 of heat exchanger 11.
Second cooling segment 133a of intercooler 103 and 103 ' also includes major part and second part, wherein main Mian part point includes being used for will be by the runner of dry compressed air, and second part includes cooling duct, and cooling fluid can be by Guiding passes through the cooling duct, preferably but without necessary, as will be by the adverse current of the gas stream of dry compressed gas.
Cooling fluid can be the liquid of such as water or oil etc or the gas or admixture of gas of such as air etc.
In this case, recovery section 103a and cooling segment 133a, which is mounted in, shares in housing, but they can also It is separated from each other and is realized as single element.In addition, it is not that intercooler 103 and 103 ' all connects according to the present invention Be connected to pipe tap 18 or regeneration pipeline 21, but can also be only these intercoolers 103 or 103 ' in one be connected to Relevant pipeline 18 and 21.
In the case of this modification, it is convenient to omit the second cooling of one or more intercoolers 103 and/or 103 ' Part 133a.
Work such as the embodiment in being shown in Fig. 2 is substantially similar with the work of the compressor apparatus 1 in Fig. 1, its In most important difference be can using the compression heat for coming from lower pressure stages 2a and 2b come further reduce be used for again The relative humidity of raw gas, this is because the regeneration gas will be used separately as the recovery section of intercooler 103,103 ' Cooling agent in 103a and compression heat therein will be absorbed.
Second cooling segment 133a may insure to be still present in after by major part any in compressed gas Superfluous compression heat can be discharged so that more preferable compression efficiency can be obtained in subsequent downstream compression stage.
Amount of residual heat for example can be used for other purposes, for example heat cleaning water.
Fig. 3 shows the another embodiment of compressor apparatus 1 according to the present invention, wherein being equipped with that case Three compressor elements 2a, 2b and 2c being connected in series.In this embodiment, in the downstream of heat exchanger 11 and aftercooler The position of 12 upstream centers the connection between return line 22 and compression pipeline 5.Need not so in return line 22 Aftercooler is set, so as to save cost.
Although not showing in these figures, in the housing 7 of drying device 6, except the arid region 8 and again Cooled region can also be set outside raw region 14.In such a case, it is possible to make the first of arid region 8 in known manner Export the change of a part of dry gas at 10 direction and flow through the cooled region, then to being present at this time in the cooled region Drier cooled down.
The present invention is not intended to be limited to the embodiment for describing as example and being shown in figure, according to the present invention tool Being useful for the compressor apparatus of the drying device of dry compressed gas can be realized with all types of modifications, without departing from this The scope of invention.Similarly, it is used to the method that compressed gas is dried is not limited to be described above according to the present invention Modification, but can be realized with all types of modifications, without departing from the scope of the present invention.

Claims (14)

1. a kind of compressor apparatus with the drying device for compressed gas, the wherein compressor apparatus (1) are equipped with compression Machine element (2a and/or 2b), the compressor element have compressed gas outlet (4), and the first end of pressure line (5) is connected to this Compressed gas exports；Wherein described drying device (6) is equipped with housing (7), and the inside of the housing has arid region (8), does Dry region, which has, to be used to be connected to this by the first entrance (9) of dry compressed gas, the second end of the pressure line (5) The full flow velocity that first entrance to come from the compressed gas of the compressor element (2a and/or 2b) is passed to arid region (8)；Wherein described arid region (8) is further included for by the first outlet (10) of dry compressed gas, discharge pipe (17) It is connected to the first outlet；Wherein in the housing (7), regeneration zone (14) is additionally provided with, which, which has, is used to supply Answer the second entrance (15) and the second outlet for regeneration gas to be discharged (16) of regeneration gas；Wherein in drying device (6) in housing (7), the roller (13) containing drier is also rotatably mounted, wherein the roller (13) is connected to driving and sets It is standby to enable drier to continue to move through the arid region (8) and regeneration zone (14)；Wherein described pressure line (5) Including for the heat exchanger (11) that is cooled down to compressed gas before compressed gas enters the arid region (8), its It is characterized in that, the first pipe tap (18) is connected on the discharge pipe (17), and first pipe tap is connected to the heat and hands over The cooling entrance (9) of parallel operation (11), and the heat exchanger (11) further includes coolant outlet (20), which passes through second Regeneration pipeline (21) is connected to the second entrance (15) of regeneration zone (14), and in the downstream of the heat exchanger (11) At position, the second outlet (16) of regeneration zone (14) is connected to the pressure line (5) by return line (22).
2. compressor apparatus according to claim 1, it is characterised in that the heat exchanger in pressure line (5) (11) it is arranged in the downstream of the compressor element (2a, 2b, 2c) and is located to be also disposed in the pressure line In the position of the upstream of aftercooler (12).
3. compressor apparatus according to claim 2, it is characterised in that be not provided with the return line (22) cold But device.
4. the compressor apparatus according to any one of Claim 1-3, it is characterised in that the return line (22) is even The suction opening (25) for the Venturi tube (24) being connected in pressure line (5).
5. the compressor apparatus according to any one of Claim 1-3, it is characterised in that in the return line (22) In, hair-dryer is set the gas to be dried in used regeneration gas and pressure line (5) to be converged.
6. compressor apparatus according to claim 4, it is characterised in that the heat exchanger (11) is arranged on the Wen Manage the upstream of (24).
7. according to the compressor apparatus described in claim 2 and 6, it is characterised in that the aftercooler (12) is arranged on Wen Manage the downstream of (24) and the upstream of the entrance (9) in arid region (8).
8. according to the compressor apparatus described in claim 2 and 6, it is characterised in that the aftercooler (12) is arranged on Wen Manage the upstream of (24) and in the downstream of heat exchanger (11).
9. one or more compressor apparatus in preceding claims, it is characterised in that the heat exchanger (11) it is made of two parts, i.e. the first recovery section (103a) and the second cooling segment (133a).
10. compressor apparatus according to claim 9, it is characterised in that the heat exchanger be intercooler (103, 103 ') two compressor members that, the intercooler is connected in series according to be installed on by the flowing of dry compressed gas Between part (2a, 2b, 2c).
11. the method for the compressed gas for coming from compressor element (2a, 2b, 2c) to be dried, shell is equipped with wherein using The drying device (6) of body (7), arid region (8) are located in the housing, and the full flow velocity of gas to be dried passes through dry section Transmit in domain；Regeneration zone (14) is wherein additionally provided with the housing (7), regeneration gas is simultaneously transmitted and passes through renewing zone Domain；Wherein continuously movement passes through the arid region (8) and regeneration zone (14) to drier；Wherein will be by dry compressed gas Body cools down the compressed gas in the major part of heat exchanger (11) before entering the arid region；Its feature exists In making a part then be dried by the part by exit branch of the dry compressed gas in arid region (8) Compressed gas be directed to the entrance of regeneration zone (14) for use as the part is dried before regeneration gas therein Compressed gas guiding by the second part of the heat exchanger (11) to be heated.
12. according to the method for claim 11, it is characterised in that abreast guide the dry gas of branch by multiple The second part of heat exchanger (103,103 ', 11), thus these heat exchangers (103,103 ', 11) is each including connection To come from a series of at least two compressor elements (2a, 2b, 2c) for being connected in series a compressor element (2a, 2b, The major part of outlet 2c).
13. the method according to claim 11 or 12, it is characterised in that the component guiding of dry gas is passed through two The second part being made of recovery section (103a) of segment bounds heat exchanger (103,103 '), the two-part heat exchanger is also Including cooling segment (133a).
14. according to the method for claim 13, it is characterised in that will individually cool down stream guiding and pass through the cooling segment The second part of (133a).
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